December 10, 2014 - North Logan, UT – Ophir Photonics Group, the global leader in precision laser measurement equipment and a Newport Corporation brand, today announced a new system for narrowband optical power measurement, the 3A-IS Optical Power Sensor and AUX-LED Self-Absorption Accessory. The 3A-IS is a compact, easy-to-use integrating sphere and photodiode sensor system. It is designed to measure the optical power of divergent, narrowband light sources from 350nm – 1100nm, such as lasers and LEDs. The AUX-LED is an accessory for the 3A-IS that corrects the effects of selfabsorption.